Description

Tested Trio of 12BH7A GE Audio Receiver Vacuum Tubes Country of origin: USA Production era: 1970s Model: 12BH7A Manufacturer: GE Type: preamp Plate type: gray Base type: 9 pins Spacers: 2 Getter frame: halo wire Getter flash: top Glass: clear Stencils: extensive wear Cartons: NA Condition: very good same configuration / construction Usage (estimate): minimal Quantity: 3 Please review the photos for more detail Test results: Strong balanced NOS test results for Gm: 2.9 / 2.8, 3.0 / 2.8 and 3.45 / 3.40 For Gm, the suggested minimum value is: 2.0 Shorts: No shorts were detected For testing, a calibrated Triplett 3444A was used Compatibility: Suitable for audio amplification and vintage tube-based equipment ideal for use in guitar amplifiers, preamps and audio recording equipment The tubes will be carefully packed to ensure safe shipping Estimated delivery time within the USA is 3 to 7 business days Standard shipping service is US Postal 1st class Shipping is combined when applicable Please feel free to reach out if you have any questions or require additional information